Grease-feeder for lubricating purposes



(No Model.) 2 Shets-Sheet 2.

T. SHEHAN.

SEWER GAS AND STBNGH TRAP. No. 340,255. Patented Apr. 20, 1886.

FFTCEE CHARLES A. THOMPSON, OF FLUSHING, NElV YORK.

GREASE-FEEDER FOR LUBRlCATlNG PURPOSES.

i-T ECIFI CATIOIV forming part of Letters Patent No. 340,256, dates.

April 20', 1886.

Application tiled February 12, 186. Serial No. l!ll,fi8l. (No mode To all whom it may concern.-

Be it known that I, CHARLES A. 'lHoMrsoN.

of Flushing, county of Queens, and State of] New York, haveinvented certain new and use- I ful Improvements in Grease-Feeders for Lubrieating Purposes, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, and to the letters of reference marked thereon.

My invention relates to that class of devices employed for holding a quantity of lubricating material to be fed to a revolving shalt or like part of any machinery, and particularly to those of the class wherein a moderatel y-hard material is to be used--sucl1 as grease. These special devices are most commonly known as grease-feeders.

The objects of my invention are to provide a grease-feeder oftheclass named with aspiralspring conveyor located upon the interior, having one end projecting through the bot tom, and arranged to convey heat and electricity to the material within the cup not only at the outer but at the central portions of the mass, and to produce a. simple, cheap, compact, and efficient feeder having facilities for introducing the grease, and other advantages, as will hereinafter appear. To accomplish these objects my invention involves certain new and useful peculiarities of construction and relative arrangements or combinations of parts, all of which will be herein first fully de scribed, and then pointed out in the claims.

In the accompanying drawings, forming part of this specification, Figure 1 is acentral vertical section of a grease-cup or grease-feeder having my improved heat-conveyer mounted therein, and being constructed and arranged for operation in accordance with my invention; and Fig. 2 is an elevation or exterior view of the same. Fig. 3 is an elevation of the heatconveyer removed from the cup or reservoir.

In all these figures like letters of reference, wherever they occur, indicate corresponding parts.

A represents a cup, of any shape, constituting a reservoir for the reception of the lubricating material, and arranged to be mounted in place in any way, as by the use of the th readed neck B.

G is the cover of the reservoir, made removable from the cup or base part..

When thelubricating material is moderately hard, as in the case of the oidinar grease, it does not flow readily from the reservoir. I. therefore supply a heat-conductor, (represented at D.) the part within the grease-reservoir being in the shape of acoiled spring, in diameter a little less than the interior diameter of the reservoir, and having one end projecting down through the feeding orifice leading out ol'the bottom of the reservoir. This end may be of any length, and is intended to bear upon the crank-pin, journal, or other moving parts, in connection with which the feeder is employed. When the cover C is in place, it presses the top of the spring. and thus insures the contact of thelower end of the spring with the moving part. I prefer to make the heat conductor of copper, as being best adapted for Other metals might be the purpose intended.

As the crank-pin or used,if found desirable.

journal moves in contact with the projecting end of the heat-conductor l), the movement impnrtsl1eat.and perhaps electricity to the conductor l), which in turn gives up its heat to the grease within the reservoir, rendering the grease sufficiently limpid to flow through the feeding-orifice in quantities as may be re quired. The spring form given the heater D causes the lower end to be held always in contact with the moving part, and it conveys heat to the mass of grease at points well removed from the axis of the cup or reservoir, so that as long as any grease remains in the cup it will be heated, and thus caused to flow.

It will be readily understood that if the heater were made straight and extended up through the center of the body of grease, it would convey heat only to the central portion, which would gradually flow away, leaving the greater portion surrounding the central rod unaffected by the heat thereof, and consequently not in condition to flow; and when the spring passes through the cover it must be re- 9 moved-with the cover in order 'to charge the cup. These disadvantages are entirely overcome by making the heater in the form shown. In large cups the heater is preferably bent, as shown, so that apart of it extends up into the valve 1, carried by the sliding sleeve 2, which is mounted on the stationary barrel 3, and is connected by links it to pivoted rocking arms 5, from the lower ends of which hang links 6,

connected to a weight, 7. The barrel 3 is pro vided with external wings, 8, by which it is supported in place in the trap.

The valve mechanism is similar to that described in my Letters Patent No. 335, 967, hereinbefore referred to, and requires no further explanation.

In Fig. 3 the organization is in a general way similar to that already described by reference to Fig. 2, the difference being that the spring arrangement for holding down the section is dispensed with, and that the section itself is so formed as to extend both above and below the flange or diaphragm 1) far enough to hold both an inlet and an outlet wat cr-seal.

It is manifest that that portion of the tube or section in Fig. 3 above the diaphragm b can he so shortened as not to hold a water-seal, in which event the water-seal would be held at tlze outlet-opening only.

I do not restrict myself to the use in connection with the removable section E of the particular valve mechanism described, although I prefer to employ it.

\Vhat I claim herein as new and of my own invention is 1. The combination of the trap-body, the inlet and outlet pipes, and the removable tubular section making a water-tight joint with the trap-bod y at a point between the inlet and outlet pipes, and extended both above and below said joint far enough with reference to the inlet and outlet openings to hold a water-seal at each of its ends, substantially as and for the purposes hereinbefore set forth.

2. The combination of the trap-body, the inlet and outlet pipes, the removable tubular section making a water-tight joint with the trapbody at a point between the inlet and outlet pipes,and arranged, substantially as described, to hold a water-seal in the trap, and a counterbalanced valve controlling the waterpassage in said tubular section, substan- L tially as and for the purposes hereinbefore set forth.

In testimony whereof I have hereunto set my hand this 6th day of March, 1886.

'IHOM AS SHEHA N. 

